John Hereford was born 6 January 1698 in Westmoreland County, Virginia, United States to James Hereford (1668-1721) and Ann Green (1670-1721) and died 24 March 1754 Fairfax, Virginia, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| John Hereford (1729-1793) | 24 April 1729 Stafford, Virginia, United States | 6 April 1793 Leesburg, Virginia, United States | Margaret Ammon (1735-1809) |
Siblings
| Name | Birth | Death | Joined with |
| John Hereford (1698-1754) | 6 January 1698 Westmoreland County, Virginia, United States | 24 March 1754 Fairfax, Virginia, United States | Jane Barnes (1694-1754) |